package edu.sctu;

import java.sql.*;
import java.util.ArrayList;
import java.util.List;

/**
 * Created by V555 on 2018/5/19.
 */
public class Database {
    public List<User> getUserList(){
        List<User>userList=new ArrayList<User>();
        Connection connection=null;
        Statement statement=null;
        ResultSet resultSet=null;
        String sql="select * from t_users";
        try {
            Class.forName("com.mysql.jdbc.Driver");
            connection= DriverManager.getConnection(
                    "jdbc:mysql://localhost:3306/sctu_javaweb_2018?serverTimezone=UTC",
                    "root",
                    "123456"
            );
            statement=connection.createStatement();
            resultSet=statement.executeQuery(sql);


            while (resultSet.next()){
                int id=resultSet.getInt(1);
                String username=resultSet.getString(2);
                String password=resultSet.getString(3);
                User user=new User();
                user.setId(id);
                user.setUsername(username);
                user.setPassword(password);

            }
            resultSet.close();
            statement.close();
            connection.close();

        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        } catch (SQLException e) {
            e.printStackTrace();
        }
        return userList;

    }
}
